Secretary of State
Each certified mechanic is required to display a valid mechanic certificate or trainee permit issued by the Office of Investigative Services. The certificate or permit must be displayed at the place of business where the mechanic or trainee works and be readily accessible to the customer.
Information on certification requirements, application fees, mechanic testing locations and special need test scheduling can also be obtained from the Office of Investigative Services, Business Licensing Section:
Michigan Department of State
Office of Investigative Services
Business Licensing Section
Lansing, MI 48918
Telephone: 1-888-SOS-MICH (1-888-767-6424)